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authorArnd Bergmann <arnd@arndb.de>2012-03-21 10:27:34 -0400
committerArnd Bergmann <arnd@arndb.de>2012-03-21 10:27:34 -0400
commit2cbe23e3a432e3d09a849adb197c8fcc09e7391d (patch)
tree711fe5845c4c7e7eaf8c57a597d86c0f9dda5b06 /arch/arm/mach-msm
parentb2f1df8d2fc14bf7e6d9d967043d4b60c2efd8dc (diff)
parented1b4acc43b0c3289faa30cf184f322ab70a5be3 (diff)
Merge branch 'tegra/cleanups' into next/timer
Conflicts: arch/arm/mach-tegra/Makefile arch/arm/mach-vexpress/core.h The tegra Makefile was changed in four different branches in the same line. This merge should reduce the amount of churn. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-msm')
-rw-r--r--arch/arm/mach-msm/idle.S36
-rw-r--r--arch/arm/mach-msm/idle.c49
-rw-r--r--arch/arm/mach-msm/include/mach/entry-macro.S6
-rw-r--r--arch/arm/mach-msm/include/mach/system.h1
4 files changed, 49 insertions, 43 deletions
diff --git a/arch/arm/mach-msm/idle.S b/arch/arm/mach-msm/idle.S
deleted file mode 100644
index 6a94f052713..00000000000
--- a/arch/arm/mach-msm/idle.S
+++ /dev/null
@@ -1,36 +0,0 @@
1/* arch/arm/mach-msm/include/mach/idle.S
2 *
3 * Idle processing for MSM7K - work around bugs with SWFI.
4 *
5 * Copyright (c) 2007 QUALCOMM Incorporated.
6 * Copyright (C) 2007 Google, Inc.
7 *
8 * This software is licensed under the terms of the GNU General Public
9 * License version 2, as published by the Free Software Foundation, and
10 * may be copied, distributed, and modified under those terms.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 */
18
19#include <linux/linkage.h>
20#include <asm/assembler.h>
21
22ENTRY(arch_idle)
23#ifdef CONFIG_MSM7X00A_IDLE
24 mrc p15, 0, r1, c1, c0, 0 /* read current CR */
25 bic r0, r1, #(1 << 2) /* clear dcache bit */
26 bic r0, r0, #(1 << 12) /* clear icache bit */
27 mcr p15, 0, r0, c1, c0, 0 /* disable d/i cache */
28
29 mov r0, #0 /* prepare wfi value */
30 mcr p15, 0, r0, c7, c10, 0 /* flush the cache */
31 mcr p15, 0, r0, c7, c10, 4 /* memory barrier */
32 mcr p15, 0, r0, c7, c0, 4 /* wait for interrupt */
33
34 mcr p15, 0, r1, c1, c0, 0 /* restore d/i cache */
35#endif
36 mov pc, lr
diff --git a/arch/arm/mach-msm/idle.c b/arch/arm/mach-msm/idle.c
new file mode 100644
index 00000000000..0c9e13c6574
--- /dev/null
+++ b/arch/arm/mach-msm/idle.c
@@ -0,0 +1,49 @@
1/* arch/arm/mach-msm/idle.c
2 *
3 * Idle processing for MSM7K - work around bugs with SWFI.
4 *
5 * Copyright (c) 2007 QUALCOMM Incorporated.
6 * Copyright (C) 2007 Google, Inc.
7 *
8 * This software is licensed under the terms of the GNU General Public
9 * License version 2, as published by the Free Software Foundation, and
10 * may be copied, distributed, and modified under those terms.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 */
18
19#include <linux/init.h>
20#include <asm/system.h>
21
22static void msm_idle(void)
23{
24#ifdef CONFIG_MSM7X00A_IDLE
25 asm volatile (
26
27 "mrc p15, 0, r1, c1, c0, 0 /* read current CR */ \n\t"
28 "bic r0, r1, #(1 << 2) /* clear dcache bit */ \n\t"
29 "bic r0, r0, #(1 << 12) /* clear icache bit */ \n\t"
30 "mcr p15, 0, r0, c1, c0, 0 /* disable d/i cache */ \n\t"
31
32 "mov r0, #0 /* prepare wfi value */ \n\t"
33 "mcr p15, 0, r0, c7, c10, 0 /* flush the cache */ \n\t"
34 "mcr p15, 0, r0, c7, c10, 4 /* memory barrier */ \n\t"
35 "mcr p15, 0, r0, c7, c0, 4 /* wait for interrupt */ \n\t"
36
37 "mcr p15, 0, r1, c1, c0, 0 /* restore d/i cache */ \n\t"
38
39 : : : "r0","r1" );
40#endif
41}
42
43static int __init msm_idle_init(void)
44{
45 arm_pm_idle = msm_idle;
46 return 0;
47}
48
49arch_initcall(msm_idle_init);
diff --git a/arch/arm/mach-msm/include/mach/entry-macro.S b/arch/arm/mach-msm/include/mach/entry-macro.S
index 41f7003ef34..f2ae9087f65 100644
--- a/arch/arm/mach-msm/include/mach/entry-macro.S
+++ b/arch/arm/mach-msm/include/mach/entry-macro.S
@@ -16,12 +16,6 @@
16 * 16 *
17 */ 17 */
18 18
19 .macro disable_fiq
20 .endm
21
22 .macro arch_ret_to_user, tmp1, tmp2
23 .endm
24
25#if !defined(CONFIG_ARM_GIC) 19#if !defined(CONFIG_ARM_GIC)
26#include <mach/msm_iomap.h> 20#include <mach/msm_iomap.h>
27 21
diff --git a/arch/arm/mach-msm/include/mach/system.h b/arch/arm/mach-msm/include/mach/system.h
index 311db2b35da..f5fb2ec87ff 100644
--- a/arch/arm/mach-msm/include/mach/system.h
+++ b/arch/arm/mach-msm/include/mach/system.h
@@ -12,7 +12,6 @@
12 * GNU General Public License for more details. 12 * GNU General Public License for more details.
13 * 13 *
14 */ 14 */
15void arch_idle(void);
16 15
17/* low level hardware reset hook -- for example, hitting the 16/* low level hardware reset hook -- for example, hitting the
18 * PSHOLD line on the PMIC to hard reset the system 17 * PSHOLD line on the PMIC to hard reset the system